NAGANO--Hand-copied versions of part of “Bansenshukai,” one of the three major ninjutsu (ninja art) strategy books, were recently discovered at the Sanada Treasures Museum here, leading ...

In this latest instance, researchers discovered the first known copy of a legendary ninja training manual, making it an unprecedented find. The book on ninja secrets and techniques ...

In the 90s and early 2000s, nobody did gory ninja combat quite like Koei Tecmo’s Ninja Gaiden series. With several entries in the historic franchise, from the classic 2D titles on the NES to the ...